320220011140 has 96 divisors (see below), whose sum is σ = 706692833280. Its totient is φ = 121650118656.

The previous prime is 320220011123. The next prime is 320220011161. The reversal of 320220011140 is 41110022023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40341252 + ... + 40349188.

It is an arithmetic number, because the mean of its divisors is an integer number (7361383680).

Almost surely, 2^320220011140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320220011140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353346416640).

320220011140 is an abundant number, since it is smaller than the sum of its proper divisors (386472822140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320220011140 is a wasteful number, since it uses less digits than its factorization.

320220011140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8581 (or 8579 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 320220011140 its reverse (41110022023), we get a palindrome (361330033163).

The spelling of 320220011140 in words is "three hundred twenty billion, two hundred twenty million, eleven thousand, one hundred forty".